External Wall Insulation
- This involves adding a layer of insulating material which is fixed to the wall with the help of mechanical fixings. It’s then covered with shielding layers of cladding or plaster covering.
- External pipework, satellite dishes, and obstacles may be required to be removed prior to installing external wall insulation.
- Reduce your heating bills by up to 30%
- There are grants available from SEAI to homeowners which can substantially reduce the cost of installing External Wall Insulation. See our Grants section

FAQs about External Wall Insulation
– 3 key stages for a typical semi-detached houseBoarding and beading 1-2 days
Base coat and Mesh 2 days
Top coat /finish 1days
– Usually a 3 man team
– Drying times required for stage 2 up to 48hrs
– Can only be applied if the temperature is 5 degrees and rising
To meet the Decent Homes Standard
A decent home is windproof, weathertight and warm, with modern facilities
Increases thermal quality of the building
Particularly relevant when refurbishing non-traditional housing
Overcomes moisture/condensation issues
Protects the existing building envelope
Reduces heating bills by 30%
Improves the building’s appearance
Reduces heat loss by up to 45 %
Provides a high level of thermal efficiency making your home warm and cosy
Minimum disruption for the householder
No reduction of interior living spaces
Can help with condensation problem and black mould growth
Improves appearance of the building (increase in value).
Complements the existing building and colours
Has long term durability
Virtually maintenance-free
Available in over 300 colours
Choice of textured finishes
Crack-resistant
Water repellent



